Coway Airmega 200M vs Coway Airmega 400S
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
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Use the feature table below to match published specifications to your room, filtration, and noise requirements. We do not assign an overall score without retained independent test evidence.
Feature comparison
| Feature | Coway Airmega 200M | Coway Airmega 400S |
|---|---|---|
| Coverage | 361 sq ft | 492 sq ft (4.8 ACH) |
| CADR | 246 CFM | 328 / 328 / 400 CFM (Smoke / Dust / Pollen) |
| Filter type | True HEPA + Activated Carbon | Dual washable pre-filter + Max2 filter set (activated carbon + True HEPA) |
| Noise level | 24-53 dB | 22-52 dB (rated) |
| Weight | 12.3 lbs | 24.7 lbs |